Question

a) x² - 16 = 0 c) 2x² - 50 = 0 d) 3x² + 2 = 8​

Answer 1

a) x²-16=0

x²=16

x=√16

x=4

c) 2x²-50=0

2x²= 50

x²= 50:2

x²=25

x=√25

x=5

d) 3x² + 2 = 8​

3x² =8-2

x²=6:3

x²=2

x=√2